A diagonal of a cube measures 15 cm and the length of an edge of the cube is square root 75 cm. What is the length of the diagonal of a face of the cube? Round to the nearest tenth. ~ 7.1cm

~ 12.2cm

~ 13cm

~ 15cm

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck